White Oyster Mushroom
Grain Spawn

Pleurotus Ostreatus

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White Oyster Mushroom Grain Spawn

Grain spawn is a little known secret weapon of the world of mushroom cultivation. It’s made from sterilised grains that have been inoculated with a live mycelium culture.

Grain spawn contains a lot of energy for the mycelium to consume. It’s a bit like rocket fuel for mushrooms. Once it’s added to your substrate it takes off like wild fire. 

Mother Nature works her magic using spores but in a controlled environment you need to tip the scales in your favour by using clean high-quality grain spawn so you are doing your best to ensure success. 

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Our products are produced freshly for maximum vigour. At time delays of 14 – 21 days may occur due to increased demand. All orders are dispatched between Monday – Wednesday via Australia Post Express Post to ensure same week delivery.

What Are White Oyster Mushrooms?

Pleurotus Ostreatus is known as the white, pearl, beige, or grey oyster mushroom amongst a multitude of other names. Depending on where you are and who you’re talking to the white oyster species being referred to may be different due to the varying range of qualities.

Some ‘white oyster’ mushrooms are suitable for growing during the summer months, others are more suited to growing in winter. These impressive giants develop thick meaty caps when grown on hardwood and given plentiful fresh air.

What Do White Oyster Mushrooms Taste Like?

White oyster mushrooms pack a big umami punch with every mouthful. More subtle in flavour than pink oyster mushrooms but with a thicker and meatier texture. Ideal for soups, stir-fries and deep-frying. 

What Do White Oyster Mushrooms Grow On?

The white oyster mushroom is a saprotroph that acts as a primary decomposer. It’s often found on decaying on dying trees consuming the dead wood. They benefit the forest by decomposing dead and decaying matter and returning vital elements and minerals to the ecosystem.

In terms of commercial production white oyster mushroom are often grown on a supplemented hardwood substrate.

Alternatively, it is grown on a wide range of cellulose rich materials such as sugar cane mulch, straw, and corn cob which has been pasteurised.

Learn How To Grow Oyster Mushrooms

Growing oyster mushrooms in buckets is a great project for first timers and more experienced cultivators alike. You can grow your own mushrooms at home using sugar cane mulch, straw or the cellulose rich material of your choice in conjunction with either cold or hot water pasteurisation.

Simple and easy to do using a few household items.

Using A Humidifier

Humidity can be managed through a diligent misting and fanning regime, however the introduction of a humidifier and humidity controller can help automate the process and ensure consistency.

Adding a 6L humidifier and controller to a greenhouse with the addition of a USB fan is a quick and easy way to make a low cost fruiting chamber that delivers excellent results.

SGFC Shotgun Fruiting Chamber

Making A Fruiting Chamber

Mushrooms require humidity to grow. We recommend using a mini-greenhouse. Spraying the inside walls of the greenhouse will help raise humidity. A cheap humidifier can used to automate the process.

It’s important to ensure that the grow kit has fresh air exchange. Mushrooms produce carbon dioxide and will grow long and leggy if they require more oxygen. 

Check the product pages for species specific requirements.

Alternatively you can build a Shotgun Fruiting Chamber (SGFC) from a few common items found easily in your local hardware store.

White Oyster Mushroom Spawn Run

White oyster mushrooms will colonise both grain spawn and substrates very quickly. Full colonisation can often expected within 7 – 10 days

White Oyster Mushroom
Pinning Conditions

No special are requirements to trigger pinning on white oyster mushrooms. These will often begin pinning on their own if left unattended.

White Oyster Mushroom Fruiting Conditions

Summer varieties: 16 – 30 degrees Celsius (60 – 86F)

Above 85%RH

Winter varieties: 13 – 20 degrees Celsius (55 – 70 F)

Above 85%RH

These values are to be used as a guide only due to the differences between white oyster varieties available. White oyster mushrooms require more fresh air than pink oyster but less than king oyster.

Watch Our White Oyster Grow Guide (Coming Soon)

White Oyster Mushroom Grow Kits

Learn to grow your own mushrooms with one of our ready to fruit mushroom grow kits. 

Our kits consist of supplemented hardwood which has been inoculated under laboratory conditions with a live mycelium culture.

Learn more about using a mushroom grow kit with our Step By Step Guide.

Clear

Our products are produced freshly for maximum vigour. At time delays of 14 – 21 days may occur due to increased demand. All orders are dispatched between Monday – Wednesday via Australia Post Express Post to ensure same week delivery.

Make Spawn With Sterilised Grain Bags

Each sterilised grain spawn bag has been carefully prepared by hydrating whole oats in a gypsum bath for 24 hours before sterilisation. 

The bag itself features a 0.2 micron filter patch to facilitate fresh air exchange without the contents becoming contaminated. 

Additionally, the self healing injection port allows the user to simply inoculate the grain using a liquid culture syringe with minimal risk of contamination.

Sterilised grain spawn bags make it possible to produce your own mushroom grain spawn without the use of a pressure cooker.

Who We Are

I’m Luke and I’m mad about mushrooms. I operate a small scale family run business located 40 minutes west of Brisbane. We’re passionate about fungi and we look forwarding to sharing our experiences with you.

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Frequently Asked Questions

Do you have questions for us? We might have answered your question in our Frequently Asked Questions.

White Oyster Mushrooms Grown From Grain Spawn
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